Loudspeaker box



FIG. 1 is a front perspective view of a loudspeaker box showing my new design;

FIG. 2 is a right elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a front side elevational view thereof;

FIG. 5 is a rear plan view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom view thereof. 

CLAIM The ornamental design for a loudspeaker box, as shown and described. 